There is a fundamental discord, then, between what is attractive and what is found in nature when it comes to lips. The golden ratio might exist among certain preternaturally blessed women, but the full pout of the Kardashians certainly is not natural for women of their ethnic background. Scholars have suggested that the Kardashian-Jenners in particular are appropriating black beauty traits that they see as edgy or sexy, and in turn popularizing them for the culture at large. “It’s part of a long tradition of appropriation of African aesthetics, whether it’s art, painting, sculptures,” said Akil Houston, a professor of African-American studies at Ohio University. “As long as Africana culture is seen as dangerous, on the edge, there’s this sort of attraction to being risqué.”